13321016 has 16 divisors (see below), whose sum is σ = 25040400. Its totient is φ = 6643584.

The previous prime is 13321003. The next prime is 13321027. The reversal of 13321016 is 61012331.

It is a junction number, because it is equal to n+sod(n) for n = 13320985 and 13321003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1616 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (1565025).

Almost surely, 2^13321016 is an apocalyptic number.

It is an amenable number.

13321016 is a deficient number, since it is larger than the sum of its proper divisors (11719384).

13321016 is a wasteful number, since it uses less digits than its factorization.

13321016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238 (or 4234 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 13321016 is about 3649.7967066674. The cubic root of 13321016 is about 237.0531787353.

Adding to 13321016 its reverse (61012331), we get a palindrome (74333347).

The spelling of 13321016 in words is "thirteen million, three hundred twenty-one thousand, sixteen".